How To Install PHP 7.4 on Ubuntu 20.04/18.04/16.04 How to Install PHP 7.4 on Ubuntu?. Welcome to today’s guide on how to install PHP 7.4 on Ubuntu 20.04/18.04/19.04/16.04 Linux. The PHP release 7.4.0 has been made available for the general public and for use in Production environments. PHP is a popular server scripting language known for creating …